Get rid of ScrollView.

sky/engine/core/frame/LocalFrame.cpp

Index: sky/engine/core/frame/LocalFrame.cpp
diff --git a/sky/engine/core/frame/LocalFrame.cpp b/sky/engine/core/frame/LocalFrame.cpp
index cec1644f4a34121344362ff77001ef17d55bd1fb..c1eb350f9ce527abf3a45a3dd7eca2e37582d45f 100644
--- a/sky/engine/core/frame/LocalFrame.cpp
+++ b/sky/engine/core/frame/LocalFrame.cpp
@@ -219,9 +219,6 @@ void LocalFrame::willDetachFrameHost()
     // so page() could be null.
     if (page() && page()->focusController().focusedFrame() == this)
         page()->focusController().setFocusedFrame(nullptr);
-
-    if (page() && page()->scrollingCoordinator() && m_view)
-        page()->scrollingCoordinator()->willDestroyScrollableArea(m_view.get());
 }
 
 void LocalFrame::detachFromFrameHost()
@@ -321,8 +318,6 @@ void LocalFrame::createView(const IntSize& viewportSize, const Color& background
     // The layout size is set by WebViewImpl to support @viewport
     frameView->setLayoutSizeFixedToFrameSize(false);
 
-    frameView->setScrollbarModes(horizontalScrollbarMode, verticalScrollbarMode, horizontalLock, verticalLock);
-
     setView(frameView);
 
     frameView->updateBackgroundRecursively(backgroundColor, transparent);